but samsung has another trick, a 3-d screen which can show two different programs at the same time. the screen appears blurred, but look through the glasses and it becomes clear. >> it's all about screens, smartphones and how you connect them all together. >> reporter: and the car industry has brought lots of new ideas to vegas. this lexus research vehicle effectively drives itself. sensors judge when it's getting too close to other cars and apply the brakes. you don't see a day when i'll be able to sit in the back seat and let the car do the work? >> i would prefer you didn't do that. i would prefer you drove and the car made you a better driver. >> reporter: some of the gadgetry here has no commercial purpose other than to wow the visitors. many of the products battling for attention will take off. and some could even change our lives. >> i saw about ten gadgets i want. i want those flying things, the big tv. i want it all. i don't want the car that drives because i'm a great driver. i don't need all that. >> oh, lord. >> >>> this morning on "world news now," call to action. the n